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libavfilter: add vf_xfade_vulkan

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This is an initial version of vf_xfade_vulkan based
on vf_xfade_opencl, for now only a subset of transitions
are supported.
This commit is contained in:
Marvin Scholz 2023-06-07 00:22:59 +02:00 committed by Lynne
parent f11515c77f
commit dae393fe72
5 changed files with 588 additions and 0 deletions
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1
Changelog
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@ -15,6 +15,7 @@ version <next>:
- bwdif_vulkan filter
- nlmeans_vulkan filter
- RivaTuner video decoder
- xfade_vulkan filter
version 6.0:
- Radiance HDR image support

1
configure vendored
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@ -3825,6 +3825,7 @@ scale_vulkan_filter_deps="vulkan spirv_compiler"
vpp_qsv_filter_deps="libmfx"
vpp_qsv_filter_select="qsvvpp"
xfade_opencl_filter_deps="opencl"
xfade_vulkan_filter_deps="vulkan spirv_compiler"
yadif_cuda_filter_deps="ffnvcodec"
yadif_cuda_filter_deps_any="cuda_nvcc cuda_llvm"
yadif_videotoolbox_filter_deps="metal corevideo videotoolbox"

1
libavfilter/Makefile
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@ -552,6 +552,7 @@ OBJS-$(CONFIG_XBR_FILTER) += vf_xbr.o
OBJS-$(CONFIG_XCORRELATE_FILTER) += vf_convolve.o framesync.o
OBJS-$(CONFIG_XFADE_FILTER) += vf_xfade.o
OBJS-$(CONFIG_XFADE_OPENCL_FILTER) += vf_xfade_opencl.o opencl.o opencl/xfade.o
OBJS-$(CONFIG_XFADE_VULKAN_FILTER) += vf_xfade_vulkan.o vulkan.o vulkan_filter.o
OBJS-$(CONFIG_XMEDIAN_FILTER) += vf_xmedian.o framesync.o
OBJS-$(CONFIG_XSTACK_FILTER) += vf_stack.o framesync.o
OBJS-$(CONFIG_YADIF_FILTER) += vf_yadif.o yadif_common.o

1
libavfilter/allfilters.c
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@ -519,6 +519,7 @@ extern const AVFilter ff_vf_xbr;
extern const AVFilter ff_vf_xcorrelate;
extern const AVFilter ff_vf_xfade;
extern const AVFilter ff_vf_xfade_opencl;
extern const AVFilter ff_vf_xfade_vulkan;
extern const AVFilter ff_vf_xmedian;
extern const AVFilter ff_vf_xstack;
extern const AVFilter ff_vf_yadif;

584
libavfilter/vf_xfade_vulkan.c Normal file
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@ -0,0 +1,584 @@
/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/avassert.h"
#include "libavutil/random_seed.h"
#include "libavutil/opt.h"
#include "vulkan_filter.h"
#include "vulkan_spirv.h"
#include "filters.h"
#include "internal.h"
#define IN_A 0
#define IN_B 1
#define IN_NB 2
typedef struct XFadeParameters {
float progress;
} XFadeParameters;
typedef struct XFadeVulkanContext {
FFVulkanContext vkctx;
int transition;
int64_t duration;
int64_t offset;
int initialized;
FFVulkanPipeline pl;
FFVkExecPool e;
FFVkQueueFamilyCtx qf;
FFVkSPIRVShader shd;
VkSampler sampler;
// PTS when the fade should start (in IN_A timebase)
int64_t start_pts;
// PTS offset between IN_A and IN_B
int64_t inputs_offset_pts;
// Duration of the transition
int64_t duration_pts;
// Current PTS of the first input (IN_A)
int64_t pts;
// If frames are currently just passed through
// unmodified, like before and after the actual
// transition.
int passthrough;
int status[IN_NB];
} XFadeVulkanContext;
enum XFadeTransitions {
FADE,
WIPELEFT,
WIPERIGHT,
WIPEUP,
WIPEDOWN,
SLIDEDOWN,
SLIDEUP,
SLIDELEFT,
SLIDERIGHT,
NB_TRANSITIONS,
};
static const char transition_fade[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, vec4 a = texture(a_images[idx], pos); )
C(1, vec4 b = texture(b_images[idx], pos); )
C(1, imageStore(output_images[idx], pos, mix(a, b, progress)); )
C(0, } )
};
static const char transition_wipeleft[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, ivec2 size = imageSize(output_images[idx]); )
C(1, int s = int(size.x * (1.0 - progress)); )
C(1, vec4 a = texture(a_images[idx], pos); )
C(1, vec4 b = texture(b_images[idx], pos); )
C(1, imageStore(output_images[idx], pos, pos.x > s ? b : a); )
C(0, } )
};
static const char transition_wiperight[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, ivec2 size = imageSize(output_images[idx]); )
C(1, int s = int(size.x * progress); )
C(1, vec4 a = texture(a_images[idx], pos); )
C(1, vec4 b = texture(b_images[idx], pos); )
C(1, imageStore(output_images[idx], pos, pos.x > s ? a : b); )
C(0, } )
};
static const char transition_wipeup[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, ivec2 size = imageSize(output_images[idx]); )
C(1, int s = int(size.y * (1.0 - progress)); )
C(1, vec4 a = texture(a_images[idx], pos); )
C(1, vec4 b = texture(b_images[idx], pos); )
C(1, imageStore(output_images[idx], pos, pos.y > s ? b : a); )
C(0, } )
};
static const char transition_wipedown[] = {
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, ivec2 size = imageSize(output_images[idx]); )
C(1, int s = int(size.y * progress); )
C(1, vec4 a = texture(a_images[idx], pos); )
C(1, vec4 b = texture(b_images[idx], pos); )
C(1, imageStore(output_images[idx], pos, pos.y > s ? a : b); )
C(0, } )
};
#define SHADER_SLIDE_COMMON \
C(0, void slide(int idx, ivec2 pos, float progress, ivec2 direction) ) \
C(0, { ) \
C(1, ivec2 size = imageSize(output_images[idx]); ) \
C(1, ivec2 pi = ivec2(progress * size); ) \
C(1, ivec2 p = pos + pi * direction; ) \
C(1, ivec2 f = p % size; ) \
C(1, f = f + size * ivec2(f.x < 0, f.y < 0); ) \
C(1, vec4 a = texture(a_images[idx], f); ) \
C(1, vec4 b = texture(b_images[idx], f); ) \
C(1, vec4 r = (p.y >= 0 && p.x >= 0 && size.y > p.y && size.x > p.x) ? a : b; ) \
C(1, imageStore(output_images[idx], pos, r); ) \
C(0, } )
static const char transition_slidedown[] = {
SHADER_SLIDE_COMMON
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, slide(idx, pos, progress, ivec2(0, -1)); )
C(0, } )
};
static const char transition_slideup[] = {
SHADER_SLIDE_COMMON
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, slide(idx, pos, progress, ivec2(0, +1)); )
C(0, } )
};
static const char transition_slideleft[] = {
SHADER_SLIDE_COMMON
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, slide(idx, pos, progress, ivec2(+1, 0)); )
C(0, } )
};
static const char transition_slideright[] = {
SHADER_SLIDE_COMMON
C(0, void transition(int idx, ivec2 pos, float progress) )
C(0, { )
C(1, slide(idx, pos, progress, ivec2(-1, 0)); )
C(0, } )
};
static const char* transitions_map[NB_TRANSITIONS] = {
[FADE] = transition_fade,
[WIPELEFT] = transition_wipeleft,
[WIPERIGHT] = transition_wiperight,
[WIPEUP] = transition_wipeup,
[WIPEDOWN] = transition_wipedown,
[SLIDEDOWN] = transition_slidedown,
[SLIDEUP] = transition_slideup,
[SLIDELEFT] = transition_slideleft,
[SLIDERIGHT]= transition_slideright,
};
static av_cold int init_vulkan(AVFilterContext *avctx)
{
int err = 0;
uint8_t *spv_data;
size_t spv_len;
void *spv_opaque = NULL;
XFadeVulkanContext *s = avctx->priv;
FFVulkanContext *vkctx = &s->vkctx;
const int planes = av_pix_fmt_count_planes(s->vkctx.output_format);
FFVkSPIRVShader *shd = &s->shd;
FFVkSPIRVCompiler *spv;
FFVulkanDescriptorSetBinding *desc;
spv = ff_vk_spirv_init();
if (!spv) {
av_log(avctx, AV_LOG_ERROR, "Unable to initialize SPIR-V compiler!\n");
return AVERROR_EXTERNAL;
}
ff_vk_qf_init(vkctx, &s->qf, VK_QUEUE_COMPUTE_BIT);
RET(ff_vk_exec_pool_init(vkctx, &s->qf, &s->e, s->qf.nb_queues*4, 0, 0, 0, NULL));
RET(ff_vk_init_sampler(vkctx, &s->sampler, 1, VK_FILTER_NEAREST));
RET(ff_vk_shader_init(&s->pl, &s->shd, "xfade_compute",
VK_SHADER_STAGE_COMPUTE_BIT, 0));
ff_vk_shader_set_compute_sizes(&s->shd, 32, 32, 1);
desc = (FFVulkanDescriptorSetBinding []) {
{
.name = "a_images",
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.dimensions = 2,
.elems = planes,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
.samplers = DUP_SAMPLER(s->sampler),
},
{
.name = "b_images",
.type = VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER,
.dimensions = 2,
.elems = planes,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
.samplers = DUP_SAMPLER(s->sampler),
},
{
.name = "output_images",
.type = VK_DESCRIPTOR_TYPE_STORAGE_IMAGE,
.mem_layout = ff_vk_shader_rep_fmt(s->vkctx.output_format),
.mem_quali = "writeonly",
.dimensions = 2,
.elems = planes,
.stages = VK_SHADER_STAGE_COMPUTE_BIT,
},
};
RET(ff_vk_pipeline_descriptor_set_add(vkctx, &s->pl, shd, desc, 3, 0, 0));
GLSLC(0, layout(push_constant, std430) uniform pushConstants { );
GLSLC(1, float progress; );
GLSLC(0, }; );
ff_vk_add_push_constant(&s->pl, 0, sizeof(XFadeParameters),
VK_SHADER_STAGE_COMPUTE_BIT);
// Add the right transition type function to the shader
GLSLD(transitions_map[s->transition]);
GLSLC(0, void main() );
GLSLC(0, { );
GLSLC(1, ivec2 pos = ivec2(gl_GlobalInvocationID.xy); );
GLSLF(1, int planes = %i; ,planes);
GLSLC(1, for (int i = 0; i < planes; i++) { );
GLSLC(2, transition(i, pos, progress); );
GLSLC(1, } );
GLSLC(0, } );
RET(spv->compile_shader(spv, avctx, shd, &spv_data, &spv_len, "main",
&spv_opaque));
RET(ff_vk_shader_create(vkctx, shd, spv_data, spv_len, "main"));
RET(ff_vk_init_compute_pipeline(vkctx, &s->pl, shd));
RET(ff_vk_exec_pipeline_register(vkctx, &s->e, &s->pl));
s->initialized = 1;
fail:
if (spv_opaque)
spv->free_shader(spv, &spv_opaque);
if (spv)
spv->uninit(&spv);
return err;
}
static int xfade_frame(AVFilterContext *avctx, AVFrame *frame_a, AVFrame *frame_b)
{
int err;
AVFilterLink *outlink = avctx->outputs[0];
XFadeVulkanContext *s = avctx->priv;
float progress;
AVFrame *output = ff_get_video_buffer(outlink, outlink->w, outlink->h);
if (!output) {
err = AVERROR(ENOMEM);
goto fail;
}
if (!s->initialized) {
AVHWFramesContext *a_fc = (AVHWFramesContext*)frame_a->hw_frames_ctx->data;
AVHWFramesContext *b_fc = (AVHWFramesContext*)frame_b->hw_frames_ctx->data;
if (a_fc->sw_format != b_fc->sw_format) {
av_log(avctx, AV_LOG_ERROR,
"Currently the sw format of the first input needs to match the second!\n");
return AVERROR(EINVAL);
}
RET(init_vulkan(avctx));
}
RET(av_frame_copy_props(output, frame_a));
output->pts = s->pts;
progress = av_clipf((float)(s->pts - s->start_pts) / s->duration_pts,
0.f, 1.f);
RET(ff_vk_filter_process_Nin(&s->vkctx, &s->e, &s->pl, output,
(AVFrame *[]){ frame_a, frame_b }, 2, s->sampler,
&(XFadeParameters){ progress }, sizeof(XFadeParameters)));
return ff_filter_frame(outlink, output);
fail:
av_frame_free(&output);
return err;
}
static int config_props_output(AVFilterLink *outlink)
{
int err;
AVFilterContext *avctx = outlink->src;
XFadeVulkanContext *s = avctx->priv;
AVFilterLink *inlink_a = avctx->inputs[IN_A];
AVFilterLink *inlink_b = avctx->inputs[IN_B];
if (inlink_a->w != inlink_b->w || inlink_a->h != inlink_b->h) {
av_log(avctx, AV_LOG_ERROR, "First input link %s parameters "
"(size %dx%d) do not match the corresponding "
"second input link %s parameters (size %dx%d)\n",
avctx->input_pads[IN_A].name, inlink_a->w, inlink_a->h,
avctx->input_pads[IN_B].name, inlink_b->w, inlink_b->h);
return AVERROR(EINVAL);
}
if (inlink_a->time_base.num != inlink_b->time_base.num ||
inlink_a->time_base.den != inlink_b->time_base.den) {
av_log(avctx, AV_LOG_ERROR, "First input link %s timebase "
"(%d/%d) does not match the corresponding "
"second input link %s timebase (%d/%d)\n",
avctx->input_pads[IN_A].name, inlink_a->time_base.num, inlink_a->time_base.den,
avctx->input_pads[IN_B].name, inlink_b->time_base.num, inlink_b->time_base.den);
return AVERROR(EINVAL);
}
s->start_pts = s->inputs_offset_pts = AV_NOPTS_VALUE;
outlink->time_base = inlink_a->time_base;
outlink->frame_rate = inlink_a->frame_rate;
outlink->sample_aspect_ratio = inlink_a->sample_aspect_ratio;
if (s->duration)
s->duration_pts = av_rescale_q(s->duration, AV_TIME_BASE_Q, inlink_a->time_base);
RET(ff_vk_filter_config_output(outlink));
fail:
return err;
}
static int forward_frame(XFadeVulkanContext *s,
AVFilterLink *inlink, AVFilterLink *outlink)
{
int64_t status_pts;
int ret = 0, status;
AVFrame *frame = NULL;
ret = ff_inlink_consume_frame(inlink, &frame);
if (ret < 0)
return ret;
if (ret > 0) {
// If we do not have an offset yet, it's because we
// never got a first input. Just offset to 0
if (s->inputs_offset_pts == AV_NOPTS_VALUE)
s->inputs_offset_pts = -frame->pts;
// We got a frame, nothing to do other than adjusting the timestamp
frame->pts += s->inputs_offset_pts;
return ff_filter_frame(outlink, frame);
}
// Forward status with our timestamp
if (ff_inlink_acknowledge_status(inlink, &status, &status_pts)) {
if (s->inputs_offset_pts == AV_NOPTS_VALUE)
s->inputs_offset_pts = -status_pts;
ff_outlink_set_status(outlink, status, status_pts + s->inputs_offset_pts);
return 0;
}
// No frame available, request one if needed
if (ff_outlink_frame_wanted(outlink))
ff_inlink_request_frame(inlink);
return 0;
}
static int activate(AVFilterContext *avctx)
{
XFadeVulkanContext *s = avctx->priv;
AVFilterLink *in_a = avctx->inputs[IN_A];
AVFilterLink *in_b = avctx->inputs[IN_B];
AVFilterLink *outlink = avctx->outputs[0];
int64_t status_pts;
FF_FILTER_FORWARD_STATUS_BACK_ALL(outlink, avctx);
// Check if we already transitioned or IN_A ended prematurely,
// in which case just forward the frames from IN_B with adjusted
// timestamps until EOF.
if (s->status[IN_A] && !s->status[IN_B])
return forward_frame(s, in_b, outlink);
// We did not finish transitioning yet and the first stream
// did not end either, so check if there are more frames to consume.
if (ff_inlink_check_available_frame(in_a)) {
AVFrame *peeked_frame = ff_inlink_peek_frame(in_a, 0);
s->pts = peeked_frame->pts;
if (s->start_pts == AV_NOPTS_VALUE)
s->start_pts =
s->pts + av_rescale_q(s->offset, AV_TIME_BASE_Q, in_a->time_base);
// Check if we are not yet transitioning, in which case
// just request and forward the input frame.
if (s->start_pts > s->pts) {
AVFrame *frame_a = NULL;
s->passthrough = 1;
ff_inlink_consume_frame(in_a, &frame_a);
return ff_filter_frame(outlink, frame_a);
}
s->passthrough = 0;
// We are transitioning, so we need a frame from IN_B
if (ff_inlink_check_available_frame(in_b)) {
int ret;
AVFrame *frame_a = NULL, *frame_b = NULL;
ff_inlink_consume_frame(avctx->inputs[IN_A], &frame_a);
ff_inlink_consume_frame(avctx->inputs[IN_B], &frame_b);
// Calculate PTS offset to first input
if (s->inputs_offset_pts == AV_NOPTS_VALUE)
s->inputs_offset_pts = s->pts - frame_b->pts;
// Check if we finished transitioning, in which case we
// report back EOF to IN_A as it is no longer needed.
if (s->pts - s->start_pts > s->duration_pts) {
s->status[IN_A] = AVERROR_EOF;
ff_inlink_set_status(in_a, AVERROR_EOF);
s->passthrough = 1;
}
ret = xfade_frame(avctx, frame_a, frame_b);
av_frame_free(&frame_a);
av_frame_free(&frame_b);
return ret;
}
// We did not get a frame from IN_B, check its status.
if (ff_inlink_acknowledge_status(in_b, &s->status[IN_B], &status_pts)) {
// We should transition, but IN_B is EOF so just report EOF output now.
ff_outlink_set_status(outlink, s->status[IN_B], s->pts);
return 0;
}
// We did not get a frame for IN_B but no EOF either, so just request more.
if (ff_outlink_frame_wanted(outlink)) {
ff_inlink_request_frame(in_b);
return 0;
}
}
// We did not get a frame from IN_A, check its status.
if (ff_inlink_acknowledge_status(in_a, &s->status[IN_A], &status_pts)) {
// No more frames from IN_A, do not report EOF though, we will just
// forward the IN_B frames in the next activate calls.
s->passthrough = 1;
ff_filter_set_ready(avctx, 100);
return 0;
}
// We have no frames yet from IN_A and no EOF, so request some.
if (ff_outlink_frame_wanted(outlink)) {
ff_inlink_request_frame(in_a);
return 0;
}
return FFERROR_NOT_READY;
}
static av_cold void uninit(AVFilterContext *avctx)
{
XFadeVulkanContext *s = avctx->priv;
FFVulkanContext *vkctx = &s->vkctx;
FFVulkanFunctions *vk = &vkctx->vkfn;
ff_vk_exec_pool_free(vkctx, &s->e);
ff_vk_pipeline_free(vkctx, &s->pl);
ff_vk_shader_free(vkctx, &s->shd);
if (s->sampler)
vk->DestroySampler(vkctx->hwctx->act_dev, s->sampler,
vkctx->hwctx->alloc);
ff_vk_uninit(&s->vkctx);
s->initialized = 0;
}
static AVFrame *get_video_buffer(AVFilterLink *inlink, int w, int h)
{
XFadeVulkanContext *s = inlink->dst->priv;
return s->passthrough ?
ff_null_get_video_buffer (inlink, w, h) :
ff_default_get_video_buffer(inlink, w, h);
}
#define OFFSET(x) offsetof(XFadeVulkanContext, x)
#define FLAGS (AV_OPT_FLAG_FILTERING_PARAM | AV_OPT_FLAG_VIDEO_PARAM)
static const AVOption xfade_vulkan_options[] = {
{ "transition", "set cross fade transition", OFFSET(transition), AV_OPT_TYPE_INT, {.i64=FADE}, 0, NB_TRANSITIONS-1, FLAGS, "transition" },
{ "fade", "fade transition", 0, AV_OPT_TYPE_CONST, {.i64=FADE}, 0, 0, FLAGS, "transition" },
{ "wipeleft", "wipe left transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPELEFT}, 0, 0, FLAGS, "transition" },
{ "wiperight", "wipe right transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPERIGHT}, 0, 0, FLAGS, "transition" },
{ "wipeup", "wipe up transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEUP}, 0, 0, FLAGS, "transition" },
{ "wipedown", "wipe down transition", 0, AV_OPT_TYPE_CONST, {.i64=WIPEDOWN}, 0, 0, FLAGS, "transition" },
{ "slidedown", "slide down transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEDOWN}, 0, 0, FLAGS, "transition" },
{ "slideup", "slide up transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDEUP}, 0, 0, FLAGS, "transition" },
{ "slideleft", "slide left transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDELEFT}, 0, 0, FLAGS, "transition" },
{ "slideright","slide right transition", 0, AV_OPT_TYPE_CONST, {.i64=SLIDERIGHT}, 0, 0, FLAGS, "transition" },
{ "duration", "set cross fade duration", OFFSET(duration), AV_OPT_TYPE_DURATION, {.i64=1000000}, 0, 60000000, FLAGS },
{ "offset", "set cross fade start relative to first input stream", OFFSET(offset), AV_OPT_TYPE_DURATION, {.i64=0}, INT64_MIN, INT64_MAX, FLAGS },
{ NULL }
};
AVFILTER_DEFINE_CLASS(xfade_vulkan);
static const AVFilterPad xfade_vulkan_inputs[] = {
{
.name = "main",
.type = AVMEDIA_TYPE_VIDEO,
.get_buffer.video = &get_video_buffer,
.config_props = &ff_vk_filter_config_input,
},
{
.name = "xfade",
.type = AVMEDIA_TYPE_VIDEO,
.get_buffer.video = &get_video_buffer,
.config_props = &ff_vk_filter_config_input,
},
};
static const AVFilterPad xfade_vulkan_outputs[] = {
{
.name = "default",
.type = AVMEDIA_TYPE_VIDEO,
.config_props = &config_props_output,
},
};
const AVFilter ff_vf_xfade_vulkan = {
.name = "xfade_vulkan",
.description = NULL_IF_CONFIG_SMALL("Cross fade one video with another video."),
.priv_size = sizeof(XFadeVulkanContext),
.init = &ff_vk_filter_init,
.uninit = &uninit,
.activate = &activate,
FILTER_INPUTS(xfade_vulkan_inputs),
FILTER_OUTPUTS(xfade_vulkan_outputs),
FILTER_SINGLE_PIXFMT(AV_PIX_FMT_VULKAN),
.priv_class = &xfade_vulkan_class,
.flags_internal = FF_FILTER_FLAG_HWFRAME_AWARE,
.flags = AVFILTER_FLAG_HWDEVICE,
};